diff options
| -rw-r--r-- | libstdc++-v3/ChangeLog | 7 | ||||
| -rw-r--r-- | libstdc++-v3/acinclude.m4 | 27 | ||||
| -rwxr-xr-x | libstdc++-v3/configure | 510 |
3 files changed, 278 insertions, 266 deletions
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog index 285e04524ac..43cb2b73640 100644 --- a/libstdc++-v3/ChangeLog +++ b/libstdc++-v3/ChangeLog @@ -1,3 +1,10 @@ +2006-01-16 Benjamin Kosnik <bkoz@redhat.com> + + PR libstdc++/25797 + * acinclude.m4 (GLIBCXX_CHECK_LINKER_FEATURES): Add -Werror to + CFLAGS for --gc-sections test. Correct compile test. + * configure: Regenerated. + 2006-01-15 Paolo Carlini <pcarlini@suse.de> Gabriel Dos Reis <gdr@integrable-solutions.net> diff --git a/libstdc++-v3/acinclude.m4 b/libstdc++-v3/acinclude.m4 index 32260f98624..52f15aedc41 100644 --- a/libstdc++-v3/acinclude.m4 +++ b/libstdc++-v3/acinclude.m4 @@ -233,33 +233,28 @@ AC_DEFUN([GLIBCXX_CHECK_LINKER_FEATURES], [ if test x"$with_gnu_ld" = x"yes"; then # GNU ld it is! Joy and bunny rabbits! - # All these tests are for C++; save the language and the compiler flags. - # Need to do this so that g++ won't try to link in libstdc++ + # All these tests are for C++, but run with the "C" compiler driver. + # Need to do this so that g++ won't try to link in libstdc++/libsupc++. ac_test_CFLAGS="${CFLAGS+set}" ac_save_CFLAGS="$CFLAGS" - CFLAGS='-x c++ -Wl,--gc-sections' + CFLAGS='-x c++ -Werror -Wl,--gc-sections' # Check for -Wl,--gc-sections - # Note: It's supposed to work now, so ease off until proven wrong... AC_MSG_CHECKING([for ld that supports -Wl,--gc-sections]) - AC_TRY_COMPILE([ - int main(void) - { - try { throw 1; } - catch (...) { }; - return 0; - } - ], [ac_sectionLDflags=yes],[ac_sectionLDflags=no], [ac_sectionLDflags=yes]) + AC_TRY_LINK([ int one(void) { return 1; } + int two(void) { return 2; } + ], [ two(); ] , [ac_gcsections=yes], [ac_gcsections=no]) + if test "$ac_gcsections" = "yes"; then + SECTION_LDFLAGS="-Wl,--gc-sections $SECTION_LDFLAGS" + fi + AC_MSG_RESULT($ac_gcsections) + if test "$ac_test_CFLAGS" = set; then CFLAGS="$ac_save_CFLAGS" else # this is the suspicious part CFLAGS='' fi - if test "$ac_sectionLDflags" = "yes"; then - SECTION_LDFLAGS="-Wl,--gc-sections $SECTION_LDFLAGS" - fi - AC_MSG_RESULT($ac_sectionLDflags) fi # Set -z,relro. diff --git a/libstdc++-v3/configure b/libstdc++-v3/configure index 353e04abcf7..f7ac1a1fc7f 100755 --- a/libstdc++-v3/configure +++ b/libstdc++-v3/configure @@ -8211,41 +8211,40 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu if test x"$with_gnu_ld" = x"yes"; then # GNU ld it is! Joy and bunny rabbits! - # All these tests are for C++; save the language and the compiler flags. - # Need to do this so that g++ won't try to link in libstdc++ + # All these tests are for C++, but run with the "C" compiler driver. + # Need to do this so that g++ won't try to link in libstdc++/libsupc++. ac_test_CFLAGS="${CFLAGS+set}" ac_save_CFLAGS="$CFLAGS" - CFLAGS='-x c++ -Wl,--gc-sections' + CFLAGS='-x c++ -Werror -Wl,--gc-sections' # Check for -Wl,--gc-sections - # Note: It's supposed to work now, so ease off until proven wrong... echo "$as_me:$LINENO: checking for ld that supports -Wl,--gc-sections" >&5 echo $ECHO_N "checking for ld that supports -Wl,--gc-sections... $ECHO_C" >&6 - cat >conftest.$ac_ext <<_ACEOF + if test x$gcc_no_link = xyes; then + { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5 +echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;} + { (exit 1); exit 1; }; } +fi +cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ - - int main(void) - { - try { throw 1; } - catch (...) { }; - return 0; - } + int one(void) { return 1; } + int two(void) { return 2; } int main () { -ac_sectionLDflags=yes + two(); ; return 0; } _ACEOF -rm -f conftest.$ac_objext -if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 - (eval $ac_compile) 2>conftest.er1 +rm -f conftest.$ac_objext conftest$ac_exeext +if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 + (eval $ac_link) 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 @@ -8259,31 +8258,33 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; } && - { ac_try='test -s conftest.$ac_objext' + { ac_try='test -s conftest$ac_exeext' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; }; then - ac_sectionLDflags=no + ac_gcsections=yes else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 -ac_sectionLDflags=yes +ac_gcsections=no fi -rm -f conftest.err conftest.$ac_objext conftest.$ac_ext +rm -f conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + if test "$ac_gcsections" = "yes"; then + SECTION_LDFLAGS="-Wl,--gc-sections $SECTION_LDFLAGS" + fi + echo "$as_me:$LINENO: result: $ac_gcsections" >&5 +echo "${ECHO_T}$ac_gcsections" >&6 + if test "$ac_test_CFLAGS" = set; then CFLAGS="$ac_save_CFLAGS" else # this is the suspicious part CFLAGS='' fi - if test "$ac_sectionLDflags" = "yes"; then - SECTION_LDFLAGS="-Wl,--gc-sections $SECTION_LDFLAGS" - fi - echo "$as_me:$LINENO: result: $ac_sectionLDflags" >&5 -echo "${ECHO_T}$ac_sectionLDflags" >&6 fi # Set -z,relro. @@ -53057,41 +53058,40 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu if test x"$with_gnu_ld" = x"yes"; then # GNU ld it is! Joy and bunny rabbits! - # All these tests are for C++; save the language and the compiler flags. - # Need to do this so that g++ won't try to link in libstdc++ + # All these tests are for C++, but run with the "C" compiler driver. + # Need to do this so that g++ won't try to link in libstdc++/libsupc++. ac_test_CFLAGS="${CFLAGS+set}" ac_save_CFLAGS="$CFLAGS" - CFLAGS='-x c++ -Wl,--gc-sections' + CFLAGS='-x c++ -Werror -Wl,--gc-sections' # Check for -Wl,--gc-sections - # Note: It's supposed to work now, so ease off until proven wrong... echo "$as_me:$LINENO: checking for ld that supports -Wl,--gc-sections" >&5 echo $ECHO_N "checking for ld that supports -Wl,--gc-sections... $ECHO_C" >&6 - cat >conftest.$ac_ext <<_ACEOF + if test x$gcc_no_link = xyes; then + { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5 +echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;} + { (exit 1); exit 1; }; } +fi +cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ - - int main(void) - { - try { throw 1; } - catch (...) { }; - return 0; - } + int one(void) { return 1; } + int two(void) { return 2; } int main () { -ac_sectionLDflags=yes + two(); ; return 0; } _ACEOF -rm -f conftest.$ac_objext -if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 - (eval $ac_compile) 2>conftest.er1 +rm -f conftest.$ac_objext conftest$ac_exeext +if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 + (eval $ac_link) 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 @@ -53105,31 +53105,33 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; } && - { ac_try='test -s conftest.$ac_objext' + { ac_try='test -s conftest$ac_exeext' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; }; then - ac_sectionLDflags=no + ac_gcsections=yes else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 -ac_sectionLDflags=yes +ac_gcsections=no fi -rm -f conftest.err conftest.$ac_objext conftest.$ac_ext +rm -f conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + if test "$ac_gcsections" = "yes"; then + SECTION_LDFLAGS="-Wl,--gc-sections $SECTION_LDFLAGS" + fi + echo "$as_me:$LINENO: result: $ac_gcsections" >&5 +echo "${ECHO_T}$ac_gcsections" >&6 + if test "$ac_test_CFLAGS" = set; then CFLAGS="$ac_save_CFLAGS" else # this is the suspicious part CFLAGS='' fi - if test "$ac_sectionLDflags" = "yes"; then - SECTION_LDFLAGS="-Wl,--gc-sections $SECTION_LDFLAGS" - fi - echo "$as_me:$LINENO: result: $ac_sectionLDflags" >&5 -echo "${ECHO_T}$ac_sectionLDflags" >&6 fi # Set -z,relro. @@ -74396,41 +74398,40 @@ done if test x"$with_gnu_ld" = x"yes"; then # GNU ld it is! Joy and bunny rabbits! - # All these tests are for C++; save the language and the compiler flags. - # Need to do this so that g++ won't try to link in libstdc++ + # All these tests are for C++, but run with the "C" compiler driver. + # Need to do this so that g++ won't try to link in libstdc++/libsupc++. ac_test_CFLAGS="${CFLAGS+set}" ac_save_CFLAGS="$CFLAGS" - CFLAGS='-x c++ -Wl,--gc-sections' + CFLAGS='-x c++ -Werror -Wl,--gc-sections' # Check for -Wl,--gc-sections - # Note: It's supposed to work now, so ease off until proven wrong... echo "$as_me:$LINENO: checking for ld that supports -Wl,--gc-sections" >&5 echo $ECHO_N "checking for ld that supports -Wl,--gc-sections... $ECHO_C" >&6 - cat >conftest.$ac_ext <<_ACEOF + if test x$gcc_no_link = xyes; then + { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5 +echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;} + { (exit 1); exit 1; }; } +fi +cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ - - int main(void) - { - try { throw 1; } - catch (...) { }; - return 0; - } + int one(void) { return 1; } + int two(void) { return 2; } int main () { -ac_sectionLDflags=yes + two(); ; return 0; } _ACEOF -rm -f conftest.$ac_objext -if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 - (eval $ac_compile) 2>conftest.er1 +rm -f conftest.$ac_objext conftest$ac_exeext +if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 + (eval $ac_link) 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 @@ -74444,31 +74445,33 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; } && - { ac_try='test -s conftest.$ac_objext' + { ac_try='test -s conftest$ac_exeext' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; }; then - ac_sectionLDflags=no + ac_gcsections=yes else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 -ac_sectionLDflags=yes +ac_gcsections=no fi -rm -f conftest.err conftest.$ac_objext conftest.$ac_ext +rm -f conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + if test "$ac_gcsections" = "yes"; then + SECTION_LDFLAGS="-Wl,--gc-sections $SECTION_LDFLAGS" + fi + echo "$as_me:$LINENO: result: $ac_gcsections" >&5 +echo "${ECHO_T}$ac_gcsections" >&6 + if test "$ac_test_CFLAGS" = set; then CFLAGS="$ac_save_CFLAGS" else # this is the suspicious part CFLAGS='' fi - if test "$ac_sectionLDflags" = "yes"; then - SECTION_LDFLAGS="-Wl,--gc-sections $SECTION_LDFLAGS" - fi - echo "$as_me:$LINENO: result: $ac_sectionLDflags" >&5 -echo "${ECHO_T}$ac_sectionLDflags" >&6 fi # Set -z,relro. @@ -75898,41 +75901,40 @@ done if test x"$with_gnu_ld" = x"yes"; then # GNU ld it is! Joy and bunny rabbits! - # All these tests are for C++; save the language and the compiler flags. - # Need to do this so that g++ won't try to link in libstdc++ + # All these tests are for C++, but run with the "C" compiler driver. + # Need to do this so that g++ won't try to link in libstdc++/libsupc++. ac_test_CFLAGS="${CFLAGS+set}" ac_save_CFLAGS="$CFLAGS" - CFLAGS='-x c++ -Wl,--gc-sections' + CFLAGS='-x c++ -Werror -Wl,--gc-sections' # Check for -Wl,--gc-sections - # Note: It's supposed to work now, so ease off until proven wrong... echo "$as_me:$LINENO: checking for ld that supports -Wl,--gc-sections" >&5 echo $ECHO_N "checking for ld that supports -Wl,--gc-sections... $ECHO_C" >&6 - cat >conftest.$ac_ext <<_ACEOF + if test x$gcc_no_link = xyes; then + { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5 +echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;} + { (exit 1); exit 1; }; } +fi +cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ - - int main(void) - { - try { throw 1; } - catch (...) { }; - return 0; - } + int one(void) { return 1; } + int two(void) { return 2; } int main () { -ac_sectionLDflags=yes + two(); ; return 0; } _ACEOF -rm -f conftest.$ac_objext -if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 - (eval $ac_compile) 2>conftest.er1 +rm -f conftest.$ac_objext conftest$ac_exeext +if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 + (eval $ac_link) 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 @@ -75946,31 +75948,33 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; } && - { ac_try='test -s conftest.$ac_objext' + { ac_try='test -s conftest$ac_exeext' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; }; then - ac_sectionLDflags=no + ac_gcsections=yes else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 -ac_sectionLDflags=yes +ac_gcsections=no fi -rm -f conftest.err conftest.$ac_objext conftest.$ac_ext +rm -f conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + if test "$ac_gcsections" = "yes"; then + SECTION_LDFLAGS="-Wl,--gc-sections $SECTION_LDFLAGS" + fi + echo "$as_me:$LINENO: result: $ac_gcsections" >&5 +echo "${ECHO_T}$ac_gcsections" >&6 + if test "$ac_test_CFLAGS" = set; then CFLAGS="$ac_save_CFLAGS" else # this is the suspicious part CFLAGS='' fi - if test "$ac_sectionLDflags" = "yes"; then - SECTION_LDFLAGS="-Wl,--gc-sections $SECTION_LDFLAGS" - fi - echo "$as_me:$LINENO: result: $ac_sectionLDflags" >&5 -echo "${ECHO_T}$ac_sectionLDflags" >&6 fi # Set -z,relro. @@ -77276,41 +77280,40 @@ done if test x"$with_gnu_ld" = x"yes"; then # GNU ld it is! Joy and bunny rabbits! - # All these tests are for C++; save the language and the compiler flags. - # Need to do this so that g++ won't try to link in libstdc++ + # All these tests are for C++, but run with the "C" compiler driver. + # Need to do this so that g++ won't try to link in libstdc++/libsupc++. ac_test_CFLAGS="${CFLAGS+set}" ac_save_CFLAGS="$CFLAGS" - CFLAGS='-x c++ -Wl,--gc-sections' + CFLAGS='-x c++ -Werror -Wl,--gc-sections' # Check for -Wl,--gc-sections - # Note: It's supposed to work now, so ease off until proven wrong... echo "$as_me:$LINENO: checking for ld that supports -Wl,--gc-sections" >&5 echo $ECHO_N "checking for ld that supports -Wl,--gc-sections... $ECHO_C" >&6 - cat >conftest.$ac_ext <<_ACEOF + if test x$gcc_no_link = xyes; then + { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5 +echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;} + { (exit 1); exit 1; }; } +fi +cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ - - int main(void) - { - try { throw 1; } - catch (...) { }; - return 0; - } + int one(void) { return 1; } + int two(void) { return 2; } int main () { -ac_sectionLDflags=yes + two(); ; return 0; } _ACEOF -rm -f conftest.$ac_objext -if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 - (eval $ac_compile) 2>conftest.er1 +rm -f conftest.$ac_objext conftest$ac_exeext +if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 + (eval $ac_link) 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 @@ -77324,31 +77327,33 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; } && - { ac_try='test -s conftest.$ac_objext' + { ac_try='test -s conftest$ac_exeext' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; }; then - ac_sectionLDflags=no + ac_gcsections=yes else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 -ac_sectionLDflags=yes +ac_gcsections=no fi -rm -f conftest.err conftest.$ac_objext conftest.$ac_ext +rm -f conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + if test "$ac_gcsections" = "yes"; then + SECTION_LDFLAGS="-Wl,--gc-sections $SECTION_LDFLAGS" + fi + echo "$as_me:$LINENO: result: $ac_gcsections" >&5 +echo "${ECHO_T}$ac_gcsections" >&6 + if test "$ac_test_CFLAGS" = set; then CFLAGS="$ac_save_CFLAGS" else # this is the suspicious part CFLAGS='' fi - if test "$ac_sectionLDflags" = "yes"; then - SECTION_LDFLAGS="-Wl,--gc-sections $SECTION_LDFLAGS" - fi - echo "$as_me:$LINENO: result: $ac_sectionLDflags" >&5 -echo "${ECHO_T}$ac_sectionLDflags" >&6 fi # Set -z,relro. @@ -79441,41 +79446,40 @@ done if test x"$with_gnu_ld" = x"yes"; then # GNU ld it is! Joy and bunny rabbits! - # All these tests are for C++; save the language and the compiler flags. - # Need to do this so that g++ won't try to link in libstdc++ + # All these tests are for C++, but run with the "C" compiler driver. + # Need to do this so that g++ won't try to link in libstdc++/libsupc++. ac_test_CFLAGS="${CFLAGS+set}" ac_save_CFLAGS="$CFLAGS" - CFLAGS='-x c++ -Wl,--gc-sections' + CFLAGS='-x c++ -Werror -Wl,--gc-sections' # Check for -Wl,--gc-sections - # Note: It's supposed to work now, so ease off until proven wrong... echo "$as_me:$LINENO: checking for ld that supports -Wl,--gc-sections" >&5 echo $ECHO_N "checking for ld that supports -Wl,--gc-sections... $ECHO_C" >&6 - cat >conftest.$ac_ext <<_ACEOF + if test x$gcc_no_link = xyes; then + { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5 +echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;} + { (exit 1); exit 1; }; } +fi +cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ - - int main(void) - { - try { throw 1; } - catch (...) { }; - return 0; - } + int one(void) { return 1; } + int two(void) { return 2; } int main () { -ac_sectionLDflags=yes + two(); ; return 0; } _ACEOF -rm -f conftest.$ac_objext -if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 - (eval $ac_compile) 2>conftest.er1 +rm -f conftest.$ac_objext conftest$ac_exeext +if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 + (eval $ac_link) 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 @@ -79489,31 +79493,33 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; } && - { ac_try='test -s conftest.$ac_objext' + { ac_try='test -s conftest$ac_exeext' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; }; then - ac_sectionLDflags=no + ac_gcsections=yes else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 -ac_sectionLDflags=yes +ac_gcsections=no fi -rm -f conftest.err conftest.$ac_objext conftest.$ac_ext +rm -f conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + if test "$ac_gcsections" = "yes"; then + SECTION_LDFLAGS="-Wl,--gc-sections $SECTION_LDFLAGS" + fi + echo "$as_me:$LINENO: result: $ac_gcsections" >&5 +echo "${ECHO_T}$ac_gcsections" >&6 + if test "$ac_test_CFLAGS" = set; then CFLAGS="$ac_save_CFLAGS" else # this is the suspicious part CFLAGS='' fi - if test "$ac_sectionLDflags" = "yes"; then - SECTION_LDFLAGS="-Wl,--gc-sections $SECTION_LDFLAGS" - fi - echo "$as_me:$LINENO: result: $ac_sectionLDflags" >&5 -echo "${ECHO_T}$ac_sectionLDflags" >&6 fi # Set -z,relro. @@ -80772,41 +80778,40 @@ done if test x"$with_gnu_ld" = x"yes"; then # GNU ld it is! Joy and bunny rabbits! - # All these tests are for C++; save the language and the compiler flags. - # Need to do this so that g++ won't try to link in libstdc++ + # All these tests are for C++, but run with the "C" compiler driver. + # Need to do this so that g++ won't try to link in libstdc++/libsupc++. ac_test_CFLAGS="${CFLAGS+set}" ac_save_CFLAGS="$CFLAGS" - CFLAGS='-x c++ -Wl,--gc-sections' + CFLAGS='-x c++ -Werror -Wl,--gc-sections' # Check for -Wl,--gc-sections - # Note: It's supposed to work now, so ease off until proven wrong... echo "$as_me:$LINENO: checking for ld that supports -Wl,--gc-sections" >&5 echo $ECHO_N "checking for ld that supports -Wl,--gc-sections... $ECHO_C" >&6 - cat >conftest.$ac_ext <<_ACEOF + if test x$gcc_no_link = xyes; then + { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5 +echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;} + { (exit 1); exit 1; }; } +fi +cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ - - int main(void) - { - try { throw 1; } - catch (...) { }; - return 0; - } + int one(void) { return 1; } + int two(void) { return 2; } int main () { -ac_sectionLDflags=yes + two(); ; return 0; } _ACEOF -rm -f conftest.$ac_objext -if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 - (eval $ac_compile) 2>conftest.er1 +rm -f conftest.$ac_objext conftest$ac_exeext +if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 + (eval $ac_link) 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 @@ -80820,31 +80825,33 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; } && - { ac_try='test -s conftest.$ac_objext' + { ac_try='test -s conftest$ac_exeext' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; }; then - ac_sectionLDflags=no + ac_gcsections=yes else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 -ac_sectionLDflags=yes +ac_gcsections=no fi -rm -f conftest.err conftest.$ac_objext conftest.$ac_ext +rm -f conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + if test "$ac_gcsections" = "yes"; then + SECTION_LDFLAGS="-Wl,--gc-sections $SECTION_LDFLAGS" + fi + echo "$as_me:$LINENO: result: $ac_gcsections" >&5 +echo "${ECHO_T}$ac_gcsections" >&6 + if test "$ac_test_CFLAGS" = set; then CFLAGS="$ac_save_CFLAGS" else # this is the suspicious part CFLAGS='' fi - if test "$ac_sectionLDflags" = "yes"; then - SECTION_LDFLAGS="-Wl,--gc-sections $SECTION_LDFLAGS" - fi - echo "$as_me:$LINENO: result: $ac_sectionLDflags" >&5 -echo "${ECHO_T}$ac_sectionLDflags" >&6 fi # Set -z,relro. @@ -82152,41 +82159,40 @@ done if test x"$with_gnu_ld" = x"yes"; then # GNU ld it is! Joy and bunny rabbits! - # All these tests are for C++; save the language and the compiler flags. - # Need to do this so that g++ won't try to link in libstdc++ + # All these tests are for C++, but run with the "C" compiler driver. + # Need to do this so that g++ won't try to link in libstdc++/libsupc++. ac_test_CFLAGS="${CFLAGS+set}" ac_save_CFLAGS="$CFLAGS" - CFLAGS='-x c++ -Wl,--gc-sections' + CFLAGS='-x c++ -Werror -Wl,--gc-sections' # Check for -Wl,--gc-sections - # Note: It's supposed to work now, so ease off until proven wrong... echo "$as_me:$LINENO: checking for ld that supports -Wl,--gc-sections" >&5 echo $ECHO_N "checking for ld that supports -Wl,--gc-sections... $ECHO_C" >&6 - cat >conftest.$ac_ext <<_ACEOF + if test x$gcc_no_link = xyes; then + { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5 +echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;} + { (exit 1); exit 1; }; } +fi +cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ - - int main(void) - { - try { throw 1; } - catch (...) { }; - return 0; - } + int one(void) { return 1; } + int two(void) { return 2; } int main () { -ac_sectionLDflags=yes + two(); ; return 0; } _ACEOF -rm -f conftest.$ac_objext -if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 - (eval $ac_compile) 2>conftest.er1 +rm -f conftest.$ac_objext conftest$ac_exeext +if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 + (eval $ac_link) 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 @@ -82200,31 +82206,33 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; } && - { ac_try='test -s conftest.$ac_objext' + { ac_try='test -s conftest$ac_exeext' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; }; then - ac_sectionLDflags=no + ac_gcsections=yes else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 -ac_sectionLDflags=yes +ac_gcsections=no fi -rm -f conftest.err conftest.$ac_objext conftest.$ac_ext +rm -f conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + if test "$ac_gcsections" = "yes"; then + SECTION_LDFLAGS="-Wl,--gc-sections $SECTION_LDFLAGS" + fi + echo "$as_me:$LINENO: result: $ac_gcsections" >&5 +echo "${ECHO_T}$ac_gcsections" >&6 + if test "$ac_test_CFLAGS" = set; then CFLAGS="$ac_save_CFLAGS" else # this is the suspicious part CFLAGS='' fi - if test "$ac_sectionLDflags" = "yes"; then - SECTION_LDFLAGS="-Wl,--gc-sections $SECTION_LDFLAGS" - fi - echo "$as_me:$LINENO: result: $ac_sectionLDflags" >&5 -echo "${ECHO_T}$ac_sectionLDflags" >&6 fi # Set -z,relro. @@ -83924,41 +83932,40 @@ echo "${ECHO_T}$glibcxx_cv_WRITEV" >&6 if test x"$with_gnu_ld" = x"yes"; then # GNU ld it is! Joy and bunny rabbits! - # All these tests are for C++; save the language and the compiler flags. - # Need to do this so that g++ won't try to link in libstdc++ + # All these tests are for C++, but run with the "C" compiler driver. + # Need to do this so that g++ won't try to link in libstdc++/libsupc++. ac_test_CFLAGS="${CFLAGS+set}" ac_save_CFLAGS="$CFLAGS" - CFLAGS='-x c++ -Wl,--gc-sections' + CFLAGS='-x c++ -Werror -Wl,--gc-sections' # Check for -Wl,--gc-sections - # Note: It's supposed to work now, so ease off until proven wrong... echo "$as_me:$LINENO: checking for ld that supports -Wl,--gc-sections" >&5 echo $ECHO_N "checking for ld that supports -Wl,--gc-sections... $ECHO_C" >&6 - cat >conftest.$ac_ext <<_ACEOF + if test x$gcc_no_link = xyes; then + { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5 +echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;} + { (exit 1); exit 1; }; } +fi +cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ - - int main(void) - { - try { throw 1; } - catch (...) { }; - return 0; - } + int one(void) { return 1; } + int two(void) { return 2; } int main () { -ac_sectionLDflags=yes + two(); ; return 0; } _ACEOF -rm -f conftest.$ac_objext -if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 - (eval $ac_compile) 2>conftest.er1 +rm -f conftest.$ac_objext conftest$ac_exeext +if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 + (eval $ac_link) 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 @@ -83972,31 +83979,33 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; } && - { ac_try='test -s conftest.$ac_objext' + { ac_try='test -s conftest$ac_exeext' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; }; then - ac_sectionLDflags=no + ac_gcsections=yes else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 -ac_sectionLDflags=yes +ac_gcsections=no fi -rm -f conftest.err conftest.$ac_objext conftest.$ac_ext +rm -f conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + if test "$ac_gcsections" = "yes"; then + SECTION_LDFLAGS="-Wl,--gc-sections $SECTION_LDFLAGS" + fi + echo "$as_me:$LINENO: result: $ac_gcsections" >&5 +echo "${ECHO_T}$ac_gcsections" >&6 + if test "$ac_test_CFLAGS" = set; then CFLAGS="$ac_save_CFLAGS" else # this is the suspicious part CFLAGS='' fi - if test "$ac_sectionLDflags" = "yes"; then - SECTION_LDFLAGS="-Wl,--gc-sections $SECTION_LDFLAGS" - fi - echo "$as_me:$LINENO: result: $ac_sectionLDflags" >&5 -echo "${ECHO_T}$ac_sectionLDflags" >&6 fi # Set -z,relro. @@ -86017,41 +86026,40 @@ done if test x"$with_gnu_ld" = x"yes"; then # GNU ld it is! Joy and bunny rabbits! - # All these tests are for C++; save the language and the compiler flags. - # Need to do this so that g++ won't try to link in libstdc++ + # All these tests are for C++, but run with the "C" compiler driver. + # Need to do this so that g++ won't try to link in libstdc++/libsupc++. ac_test_CFLAGS="${CFLAGS+set}" ac_save_CFLAGS="$CFLAGS" - CFLAGS='-x c++ -Wl,--gc-sections' + CFLAGS='-x c++ -Werror -Wl,--gc-sections' # Check for -Wl,--gc-sections - # Note: It's supposed to work now, so ease off until proven wrong... echo "$as_me:$LINENO: checking for ld that supports -Wl,--gc-sections" >&5 echo $ECHO_N "checking for ld that supports -Wl,--gc-sections... $ECHO_C" >&6 - cat >conftest.$ac_ext <<_ACEOF + if test x$gcc_no_link = xyes; then + { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5 +echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;} + { (exit 1); exit 1; }; } +fi +cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ - - int main(void) - { - try { throw 1; } - catch (...) { }; - return 0; - } + int one(void) { return 1; } + int two(void) { return 2; } int main () { -ac_sectionLDflags=yes + two(); ; return 0; } _ACEOF -rm -f conftest.$ac_objext -if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 - (eval $ac_compile) 2>conftest.er1 +rm -f conftest.$ac_objext conftest$ac_exeext +if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 + (eval $ac_link) 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 @@ -86065,31 +86073,33 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; } && - { ac_try='test -s conftest.$ac_objext' + { ac_try='test -s conftest$ac_exeext' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; }; then - ac_sectionLDflags=no + ac_gcsections=yes else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 -ac_sectionLDflags=yes +ac_gcsections=no fi -rm -f conftest.err conftest.$ac_objext conftest.$ac_ext +rm -f conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + if test "$ac_gcsections" = "yes"; then + SECTION_LDFLAGS="-Wl,--gc-sections $SECTION_LDFLAGS" + fi + echo "$as_me:$LINENO: result: $ac_gcsections" >&5 +echo "${ECHO_T}$ac_gcsections" >&6 + if test "$ac_test_CFLAGS" = set; then CFLAGS="$ac_save_CFLAGS" else # this is the suspicious part CFLAGS='' fi - if test "$ac_sectionLDflags" = "yes"; then - SECTION_LDFLAGS="-Wl,--gc-sections $SECTION_LDFLAGS" - fi - echo "$as_me:$LINENO: result: $ac_sectionLDflags" >&5 -echo "${ECHO_T}$ac_sectionLDflags" >&6 fi # Set -z,relro. |